Name____________________________________________. Period_______.
ATOMIC STRUCTURE WORKSHEET #1. 1. Define the following: a. atomic ...
Name____________________________________________
Period_______
ATOMIC STRUCTURE WORKSHEET #1 1. Define the following: a. atomic number b. mass number c. isotope 2. What is the atomic number of titanium? How many protons does a titanium atom have? How many electrons does it have?
3. Give the mass number of each of the following atoms: a. beryllium with 5 neutrons
b. titanium with 26 neutrons
c. gallium with 39 neutrons
d. iron with 30 neutrons
4. Calcium-40 has _________ protons, _________ neutrons, and ________ electrons. 5. Tin-119 has _________ protons, _________ neutrons, and _________ electrons. 6. Carbon-13 has _________ protons, _________ neutrons, and _________ electrons. 7. An element has 8 protons and 9 neutrons. a. What element is it? b. How many electrons are in one atom of this element? c. What is its atomic mass? 8. An element has 46 neutrons and 36 electrons. a. How many protons are in one atom of this element? b. What is its atomic mass? c. What element is it? 9. Suppose an element has 55 neutrons. Can you identify the element? Why or why not?
